Question

1. Fill in the blanks:
1. The process of rearing silkworms for the production of silk is known as__________
2. The process of soaking jute stem to separate fibres is known as_________
3. _____are the twisted form of fibres.
4.The fibres obtained from plants or animals are called_______​

Answer 1

Answer:

1. Sericulture and silk farming.

2. Retting.

3. spun yarn.

4. natural fibre.

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Answer 2

Answer:

1.sericulture

- Rearing of silkworms is called sericulture. Sericulture definition is - the production of raw silk by raising silkworms

2.retting

- the process of soaking jute plants in water called RETTING.

Jute retting is a biological process in which fibers are extracted by decomposing the plants through the joint action of water and aquatic microorganisms, like bacteria. Retting process with some other factors influences the main characteristics, which indicate the quality of fiber like strength, color, luster and texture (IJSG, 2009). In a water-scarce area of Bangladesh, retting is conducted in small ditches, canals, and ponds etc. where water stands for only a short period.

3.yarn

- By the process of spinning, fibres from a mass of cotton (or wool, silk, etc.) are drawn out and twisted. This brings the tiny fibres together to form a long and twisted thread called yarn.

4.natural fibres

- The fibres which are obtained from plants and animals are called natural fibres. Cotton and jute are obtained from plants. Wool and silk are obtained from animals

Explanation:

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